.container {
  position: relative;
  padding-bottom: 80px; /* 底部导航栏的高度 */
  /* 其他样式属性 */
}

.tab-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 100px;
  background-color: #fff;
}

.tab-bar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: #999;
  font-size: 24px;
}

.tab-bar-item.active {
  color: #007aff;
}

.tab-icon {
  width: 50px;
  height: 50px;
}

.tab-title {
  margin-top: 5px;
}